What Do All Deuterostomes Have in Common

question 55

Multiple Choice

What do all deuterostomes have in common?

• A) Adults are bilaterally symmetrical.
• B) Embryos have pharyngeal pouches that may or may not form gill slits.
• C) All have a spinal column.
• D) The pore (blastopore) formed during gastrulation becomes the anus.

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Definitions:

Long-Haired

Characterized by having long fur or hair, often used to describe animals or humans with lengthy hair strands.

Epistasis

Polygenic inheritance, in which a trait is influenced by multiple genes.

Labrador Retrievers

A breed of dog known for its friendly nature, intelligence, and versatility in various roles such as assistance dogs and in search-and-rescue operations.

Alleles

Alternative forms of a gene that occur at the same locus on homologous chromosomes, contributing to genetic diversity.